met vuong( mau g.an dung de day bang may chieu

Toán


Mét vuông

!"#$%%&'
() Mục tiêu:
* +',!-./!0.#1)
* 234!.567',!847'
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8)+.56'
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+) Chuẩn bị:
* >C >4'?4DEFG'4E5H)
* I  >4!H
J) Các hoạt động dạy học chủ yếu
Hoạt động của thầy Hoạt động của trò
Hoạt động 1:
* K.0
* ;'L%MNO“Đề-xi-mét vuông”

• L5:?P'3QR
• '
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R
• 2U*B*',!!V-QR
* 2UF16E!WX'
• YZ'
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• [Y'
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.#15.U*B*',!]'
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+':Mét vuông
Hoạt động 2:
IQNJ?`4a-:E
* ./!0.#1-.U*B*',!!
BG**',!5b%cD./!0.#
1M?-',!)
* =?!VS%./!0.U*B*',!!
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',!R
* JBP'Q!T.d?-'
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* >:#
• '
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* Jh%?Q!T#1'
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IQ!T.d?-
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• 'Qgg%.U*B*',R
• CAS%Q!fg%'R
• i#1S%Q!f-%R
• IQ!-:.56%%Q
!f].dT'^R
• 2;Q'56#1S%Q!f%
-'QR
• i#1S%Q!f-%R
• CA'
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Hoạt động 3:
* IQNJ?`4a-:E)
+LYCP'j]Lc/FG'Lk
5H^)
* >3.3
jChín trăm chín mươi mét vuông
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990m
2

* I3-'!EAE
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J1LG'1 '5/
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I%QMLG'
-G'',!
2005m
2
Một nghìn chín trăm
tám mươi mét vuông
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Tám nghìn sáu trăm
đề-xi-mét vuông
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CF16E!WX'
* J-'dNX
* `B,4m%-W
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* >3.3.U
* I5:j-'
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• 2;-?U5b%.\n@%!
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• 2;1#1GEc%Ea-'5
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Tóm tắt:
e?GEc!
I%  '5/  ?'  Q
1  LG'  '5b  'd

BG**',!
28911m
2
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